I recently installed an intercom system to my apartment building. The intercom system also has the capability to control an electric door strike (Adams Rite Strike-model 74r2-121). My problem is that the door strike requires 12VDC/440mah to operate. However, the intercom system only provides 12VDC/300mah. I purchased the DROK LTC1781 hoping to step up the current to 440mah. Please let me know if I’m on the right track.